Nintendo Switch Brew

TSEC: Difference between revisions

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<code>00000000: f5 3c XY a8    cchmod $cY 0X</code> or <code>00000000: f5 3c XY a9    cchmod $cY 1X</code>
<code>00000000: f5 3c XY a8    cchmod $cY 0X</code> or <code>00000000: f5 3c XY a9    cchmod $cY 1X</code>


This instruction takes a crypto register and a 5 bit immediate value. It appears to set the [[#Register ACLs|crypto registers' ACL]] bits as follows:
This instruction takes a crypto register and a 5 bit immediate value.
{| class="wikitable" border="1"
!  Bits
!  Description
|-
| 0
| Allow register to be used as key in NS or LS mode
|-
| 1
| Allow register to be used as key in HS mode
|-
| 2
| Set register as readable in NS or LS mode
|-
| 3
| Set register as readable in HS mode
|-
| 4
| Set register as writable in NS or LS mode
|}


=== crng ===
=== crng ===
Retrieved from "https://switchbrew.org/wiki/TSEC"